The final episode of Ironheart gave the MCU's newest hero a huge upgrade that could prove helpful – and dangerous – in Avengers: Doomsday.

Tony Stark isn't the only superhero who has sported an iron suit of armor in the MCU – ten other Marvel characters have joined him.

Marvel’s first family as The Fantastic Four: First Steps hits cinemas on 24 July. Set in the 1960s, with a cast that includes ...